SQL Agent Job failures Performance Issues Resource (Memory/IO/CPU etc.) Utilization Alerts High-Availability and Disaster Recovery related issues Q. “model” system DB is down and we are trying to create a new database. Is it possible to create a new database when model DB is down? Ans:...
How do They Differ? NVL(exp1, exp2)andNVL2(exp1, exp2, exp3)are functions that help us with null-checking problems. But there are some differences. As you can see the NVL function accepts 2 parameters, while the NVL2 function accepts 3 parameters. The NVL can be traduced in the fol...
The use of comparison operators like <,> or = can be done in a subquery. These kinds ofSQL Interview Questionsare a bit difficult to understand and answer accordingly. There are a lot ofSQL Interview Questionsapart from this, which the candidates must practice qualifying for the interview. Fo...
sql server的面试题 sql server面试题问题 In this article, we will discuss a few very common questions that you may be asked during a SQL Server administrator or developer technical job interview. 在本文中,我们将讨论一些非常常见的问题,在SQL Server管理员或开发人员进行技术面试时可能会询问您。 (Q1...
Some of the tools/ways that help you troubleshooting performance problems are: SET SHOWPLAN_ALL ON, SET SHOWPLAN_TEXT ON, SET STATISTICS IO ON, SQL Server Profiler, Windows NT /2000 Performance monitor, Graphical execution plan in Query Analyzer. Download the white paper on performance tuning SQL...
$ curl -O https://static.interviewcake.com/bakery_schema_and_data.sql && mysql.server start && mysql -u root Then run our script to set up theBAKERYdatabase and insert data: > source bakery_schema_and_data.sql; If you want to come back to the data again and you already downloaded ...
“Solving real problems, getting real experience – just like in a real data science job.” Learn more... Conclusion The hard part of these SQL interview questions is that they are abstract. The tasks say to “imagine the data sets” and show only a few lines of them. When you get an...
Here are5-7 quick tipsfor succeeding in anSQL interview: Master SQL Basics: Understand core concepts like SELECT, JOIN, GROUP BY, and aggregation functions. Practice Regularly: Solve SQL problems on platforms like LeetCode, HackerRank, or SQLZoo to sharpen your skills. ...
great help. I was interviewing for a new position recently and had trouble answering some complicated questions on the spot. Every type of question asked at my interview was in this book.Now I practice the Intermediate and Advanced problems once a week and am able to solve these within ...
means. The SQL queries which are used the advanced functionalities to add business logic in the program or to retrieve the specific business related data are called as advanced SQL queries.You can able to learn thecomplex SQL queries,Complex SQL interview questionsand many more things in the ...